/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.iotdb.db.integration;

import org.apache.iotdb.db.conf.IoTDBDescriptor;
import org.apache.iotdb.db.engine.compaction.CompactionTaskManager;
import org.apache.iotdb.db.engine.compaction.constant.CompactionPriority;
import org.apache.iotdb.integration.env.EnvFactory;
import org.apache.iotdb.itbase.category.LocalStandaloneTest;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

import static org.junit.Assert.assertEquals;

@SuppressWarnings("RedundantThrows")
@Category({LocalStandaloneTest.class})
public class IoTDBSizeTieredCompactionIT {
    private static final Logger LOGGER = LoggerFactory.getLogger(IoTDBSizeTieredCompactionIT.class);

    @Before
    public void setUp() throws Exception {
        EnvFactory.getEnv().initBeforeTest();
        IoTDBDescriptor.getInstance().getConfig().setEnableUnseqSpaceCompaction(true);
    }

    @After
    public void tearDown() throws Exception {
        EnvFactory.getEnv().cleanAfterTest();
    }

    /**
     * test compaction files num > MAX_FILE_NUM_IN_LEVEL * MAX_LEVEL_NUM
     */
    @Test
    public void test() throws SQLException {
        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {
            statement.execute("CREATE DATABASE root.compactionTest");
            for (int i = 1; i <= 3; i++) {
                try {
                    statement.execute(
                            "CREATE TIMESERIES root.compactionTest.s"
                                    + i
                                    + " WITH DATATYPE=INT64,"
                                    + "ENCODING=PLAIN");
                } catch (SQLException e) {
                    // ignore
                }
            }

            int flushCount = 32;
            for (int i = 0; i < flushCount; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }

            int cnt;
            try (ResultSet resultSet = statement.executeQuery("SELECT * FROM root.compactionTest")) {
                cnt = 0;
                while (resultSet.next()) {
                    long time = resultSet.getLong("Time");
                    long s1 = resultSet.getLong("root.compactionTest.s1");
                    long s2 = resultSet.getLong("root.compactionTest.s2");
                    long s3 = resultSet.getLong("root.compactionTest.s3");
                    assertEquals(time + 1, s1);
                    assertEquals(time + 2, s2);
                    assertEquals(time + 3, s3);
                    cnt++;
                }
            }
            assertEquals(flushCount, cnt);
        }
    }

    /**
     * test compaction first use deserialize merge and then use append merge
     */
    @Test
    public void testAppendMergeAfterDeserializeMerge() throws SQLException {
        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {
            statement.execute("CREATE DATABASE root.compactionTest");
            try {
                statement.execute("CREATE TIMESERIES root.compactionTest.s1 WITH DATATYPE=INT64");
            } catch (SQLException e) {
                // ignore
            }

            long pageSize = 100;
            long timestamp = 1;

            for (long row = 0; row < 10000; row++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1) VALUES (%d,%d)", timestamp, 1));
                if (row % pageSize == 0) {
                    statement.execute("FLUSH");
                }
                timestamp++;
            }

            timestamp = 8322;

            for (long row = 0; row < 2400; row++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1) VALUES (%d,%d)", timestamp, 1));
                if (row % pageSize == 0) {
                    statement.execute("FLUSH");
                }
                timestamp++;
            }

            int cnt;
            try (ResultSet resultSet =
                         statement.executeQuery("SELECT COUNT(s1) FROM root.compactionTest")) {
                cnt = 0;
                while (resultSet.next()) {
                    System.out.println(resultSet.getLong(1));
                    assertEquals(10721, resultSet.getLong(1));
                    cnt++;
                }
            }
            assertEquals(1, cnt);
        }
    }

    /**
     * test compaction first use append merge and then use deserialize merge
     */
    @Test
    public void testDeserializeMergeAfterAppendMerge() throws SQLException {
        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {
            statement.execute("CREATE DATABASE root.compactionTest");
            try {
                statement.execute("CREATE TIMESERIES root.compactionTest.s1 WITH DATATYPE=INT64");
            } catch (SQLException e) {
                // ignore
            }

            long pageSize = 100;
            long timestamp = 1;

            for (long row = 0; row < 10000; row++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1) VALUES (%d,%d)", timestamp, 1));
                if (row % pageSize == 0) {
                    statement.execute("FLUSH");
                }
                timestamp++;
            }

            timestamp = 8322;

            for (long row = 0; row < 2400; row++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1) VALUES (%d,%d)", timestamp, 1));
                if (row % pageSize == 0) {
                    statement.execute("FLUSH");
                }
                timestamp++;
            }

            int cnt;
            try (ResultSet resultSet =
                         statement.executeQuery("SELECT COUNT(s1) FROM root.compactionTest")) {
                cnt = 0;
                while (resultSet.next()) {
                    System.out.println(resultSet.getLong(1));
                    assertEquals(10721, resultSet.getLong(1));
                    cnt++;
                }
            }
            assertEquals(1, cnt);
        }
    }

    private void testCompactionNoUnseq(int mergeCount) throws SQLException {
        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {
            statement.execute("CREATE DATABASE root.compactionTest");
            for (int i = 1; i <= 3; i++) {
                try {
                    statement.execute(
                            "CREATE TIMESERIES root.compactionTest.s"
                                    + i
                                    + " WITH DATATYPE=INT64,"
                                    + "ENCODING=PLAIN");
                } catch (SQLException e) {
                    // ignore
                }
            }

            for (int i = 0; i < mergeCount; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }

            int cnt;
            try (ResultSet resultSet = statement.executeQuery("SELECT * FROM root.compactionTest")) {
                cnt = 0;
                while (resultSet.next()) {
                    long time = resultSet.getLong("Time");
                    long s1 = resultSet.getLong("root.compactionTest.s1");
                    long s2 = resultSet.getLong("root.compactionTest.s2");
                    long s3 = resultSet.getLong("root.compactionTest.s3");
                    assertEquals(time + 1, s1);
                    assertEquals(time + 2, s2);
                    assertEquals(time + 3, s3);
                    cnt++;
                }
            }
            assertEquals(mergeCount, cnt);
        }
    }

    /**
     * test compaction just once, no unseq
     */
    @Test
    public void testCompactionOnceNoUnseq() throws SQLException {
        this.testCompactionNoUnseq(2);
    }

    /**
     * test compaction to just once, with unseq
     */
    @Test
    public void testCompactionOnceWithUnseq() throws SQLException {
        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {
            statement.execute("CREATE DATABASE root.compactionTest");
            for (int i = 1; i <= 3; i++) {
                try {
                    statement.execute(
                            "CREATE TIMESERIES root.compactionTest.s"
                                    + i
                                    + " WITH DATATYPE=INT64,"
                                    + "ENCODING=PLAIN");
                } catch (SQLException e) {
                    // ignore
                }
            }

            statement.execute(
                    String.format(
                            "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                            1, 2, 3, 4));
            statement.execute("FLUSH");
            statement.execute(
                    String.format(
                            "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                            0, 1, 2, 3));
            statement.execute("FLUSH");

            int cnt;
            try (ResultSet resultSet = statement.executeQuery("SELECT * FROM root.compactionTest")) {
                cnt = 0;
                while (resultSet.next()) {
                    long time = resultSet.getLong("Time");
                    long s1 = resultSet.getLong("root.compactionTest.s1");
                    long s2 = resultSet.getLong("root.compactionTest.s2");
                    long s3 = resultSet.getLong("root.compactionTest.s3");
                    assertEquals(time + 1, s1);
                    assertEquals(time + 2, s2);
                    assertEquals(time + 3, s3);
                    cnt++;
                }
            }
            assertEquals(2, cnt);
        }
    }

    /**
     * test compaction to second level once, no unseq
     */
    @Test
    public void testCompactionToSecondLevelNoUnseq() throws SQLException {
        this.testCompactionNoUnseq(4);
    }

    /**
     * test compaction to second level once, with unseq
     */
    @Test
    public void testCompactionToSecondLevelWithUnseq() throws SQLException {
        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {
            statement.execute("CREATE DATABASE root.compactionTest");
            for (int i = 1; i <= 3; i++) {
                try {
                    statement.execute(
                            "CREATE TIMESERIES root.compactionTest.s"
                                    + i
                                    + " WITH DATATYPE=INT64,"
                                    + "ENCODING=PLAIN");
                } catch (SQLException e) {
                    // ignore
                }
            }

            for (int i = 1; i < 3; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }

            for (int i = 0; i < 1; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }

            for (int i = 3; i < 5; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }

            int cnt;
            try (ResultSet resultSet = statement.executeQuery("SELECT * FROM root.compactionTest")) {
                cnt = 0;
                while (resultSet.next()) {
                    long time = resultSet.getLong("Time");
                    long s1 = resultSet.getLong("root.compactionTest.s1");
                    long s2 = resultSet.getLong("root.compactionTest.s2");
                    long s3 = resultSet.getLong("root.compactionTest.s3");
                    assertEquals(time + 1, s1);
                    assertEquals(time + 2, s2);
                    assertEquals(time + 3, s3);
                    cnt++;
                }
            }
            assertEquals(5, cnt);
        }
    }

    /**
     * test compaction to second level once, with unseq, disable unseqCompaction
     */
    @Test
    public void testCompactionToSecondLevelWithUnseqDisableUnseqCompaction() throws SQLException {
        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {
            statement.execute("CREATE DATABASE root.compactionTest");
            for (int i = 1; i <= 3; i++) {
                try {
                    statement.execute(
                            "CREATE TIMESERIES root.compactionTest.s"
                                    + i
                                    + " WITH DATATYPE=INT64,"
                                    + "ENCODING=PLAIN");
                } catch (SQLException e) {
                    // ignore
                }
            }

            for (int i = 1; i < 3; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }

            for (int i = 0; i < 1; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }

            for (int i = 3; i < 5; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }

            int cnt;
            try (ResultSet resultSet = statement.executeQuery("SELECT * FROM root.compactionTest")) {
                cnt = 0;
                while (resultSet.next()) {
                    long time = resultSet.getLong("Time");
                    long s1 = resultSet.getLong("root.compactionTest.s1");
                    long s2 = resultSet.getLong("root.compactionTest.s2");
                    long s3 = resultSet.getLong("root.compactionTest.s3");
                    assertEquals(time + 1, s1);
                    assertEquals(time + 2, s2);
                    assertEquals(time + 3, s3);
                    cnt++;
                }
            }
            assertEquals(5, cnt);
        }
    }

    /**
     * test compaction to stable level once, No unseq
     */
    @Test
    public void testCompactionToStableLevelNoUnseq() throws SQLException {
        this.testCompactionNoUnseq(8);
    }

    /**
     * test compaction to stable level once, with unseq
     */
    @Test
    public void testCompactionToStableLevelWithUnseq() throws SQLException {
        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {
            statement.execute("CREATE DATABASE root.compactionTest");
            for (int i = 1; i <= 3; i++) {
                try {
                    statement.execute(
                            "CREATE TIMESERIES root.compactionTest.s"
                                    + i
                                    + " WITH DATATYPE=INT64,"
                                    + "ENCODING=PLAIN");
                } catch (SQLException e) {
                    // ignore
                }
            }

            for (int i = 4; i < 8; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }

            for (int i = 0; i < 4; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }

            for (int i = 8; i < 12; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }

            int cnt;
            try (ResultSet resultSet = statement.executeQuery("SELECT * FROM root.compactionTest")) {
                cnt = 0;
                while (resultSet.next()) {
                    long time = resultSet.getLong("Time");
                    long s1 = resultSet.getLong("root.compactionTest.s1");
                    long s2 = resultSet.getLong("root.compactionTest.s2");
                    long s3 = resultSet.getLong("root.compactionTest.s3");
                    assertEquals(time + 1, s1);
                    assertEquals(time + 2, s2);
                    assertEquals(time + 3, s3);
                    cnt++;
                }
            }
            assertEquals(12, cnt);
        }
    }

    /**
     * test compaction to stable level once, with unseq, disable unseqCompaction
     */
    @Test
    public void testCompactionToStableLevelWithUnseqDisableUnseqCompaction() throws SQLException {
        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {
            statement.execute("CREATE DATABASE root.compactionTest");
            for (int i = 1; i <= 3; i++) {
                try {
                    statement.execute(
                            "CREATE TIMESERIES root.compactionTest.s"
                                    + i
                                    + " WITH DATATYPE=INT64,"
                                    + "ENCODING=PLAIN");
                } catch (SQLException e) {
                    // ignore
                }
            }

            for (int i = 4; i < 8; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }

            for (int i = 0; i < 4; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }

            for (int i = 8; i < 12; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }

            int cnt;
            try (ResultSet resultSet = statement.executeQuery("SELECT * FROM root.compactionTest")) {
                cnt = 0;
                while (resultSet.next()) {
                    long time = resultSet.getLong("Time");
                    long s1 = resultSet.getLong("root.compactionTest.s1");
                    long s2 = resultSet.getLong("root.compactionTest.s2");
                    long s3 = resultSet.getLong("root.compactionTest.s3");
                    assertEquals(time + 1, s1);
                    assertEquals(time + 2, s2);
                    assertEquals(time + 3, s3);
                    cnt++;
                }
            }
            assertEquals(12, cnt);
        }
    }

    /**
     * test seq max level num = 0
     */
    @Test
    public void testCompactionSeqMaxLevelNumError0() throws SQLException {
        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {
            statement.execute("CREATE DATABASE root.compactionTest");
            for (int i = 1; i <= 3; i++) {
                try {
                    statement.execute(
                            "CREATE TIMESERIES root.compactionTest.s"
                                    + i
                                    + " WITH DATATYPE=INT64,"
                                    + "ENCODING=PLAIN");
                } catch (SQLException e) {
                    // ignore
                }
            }

            for (int i = 4; i < 8; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }

            for (int i = 0; i < 4; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }

            for (int i = 8; i < 12; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }

            int cnt;
            try (ResultSet resultSet = statement.executeQuery("SELECT * FROM root.compactionTest")) {
                cnt = 0;
                while (resultSet.next()) {
                    long time = resultSet.getLong("Time");
                    long s1 = resultSet.getLong("root.compactionTest.s1");
                    long s2 = resultSet.getLong("root.compactionTest.s2");
                    long s3 = resultSet.getLong("root.compactionTest.s3");
                    assertEquals(time + 1, s1);
                    assertEquals(time + 2, s2);
                    assertEquals(time + 3, s3);
                    cnt++;
                }
            }
            assertEquals(12, cnt);
        }
    }

    /**
     * test seq max level num = -1
     */
    @Test
    public void testCompactionSeqMaxLevelNumError1() throws SQLException {
        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {
            statement.execute("CREATE DATABASE root.compactionTest");
            for (int i = 1; i <= 3; i++) {
                try {
                    statement.execute(
                            "CREATE TIMESERIES root.compactionTest.s"
                                    + i
                                    + " WITH DATATYPE=INT64,"
                                    + "ENCODING=PLAIN");
                } catch (SQLException e) {
                    // ignore
                }
            }

            for (int i = 4; i < 8; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }

            for (int i = 0; i < 4; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }

            for (int i = 8; i < 12; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }

            int cnt;
            try (ResultSet resultSet = statement.executeQuery("SELECT * FROM root.compactionTest")) {
                cnt = 0;
                while (resultSet.next()) {
                    long time = resultSet.getLong("Time");
                    long s1 = resultSet.getLong("root.compactionTest.s1");
                    long s2 = resultSet.getLong("root.compactionTest.s2");
                    long s3 = resultSet.getLong("root.compactionTest.s3");
                    assertEquals(time + 1, s1);
                    assertEquals(time + 2, s2);
                    assertEquals(time + 3, s3);
                    cnt++;
                }
            }
            assertEquals(12, cnt);
        }
    }

    /**
     * test seq file num in each level = 0
     */
    @Test
    public void testCompactionSeqFileNumInEachLevelError0() throws SQLException {
        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {
            statement.execute("CREATE DATABASE root.compactionTest");
            for (int i = 1; i <= 3; i++) {
                try {
                    statement.execute(
                            "CREATE TIMESERIES root.compactionTest.s"
                                    + i
                                    + " WITH DATATYPE=INT64,"
                                    + "ENCODING=PLAIN");
                } catch (SQLException e) {
                    // ignore
                }
            }

            for (int i = 4; i < 8; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }

            for (int i = 0; i < 4; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }

            for (int i = 8; i < 12; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }

            int cnt;
            try (ResultSet resultSet = statement.executeQuery("SELECT * FROM root.compactionTest")) {
                cnt = 0;
                while (resultSet.next()) {
                    long time = resultSet.getLong("Time");
                    long s1 = resultSet.getLong("root.compactionTest.s1");
                    long s2 = resultSet.getLong("root.compactionTest.s2");
                    long s3 = resultSet.getLong("root.compactionTest.s3");
                    assertEquals(time + 1, s1);
                    assertEquals(time + 2, s2);
                    assertEquals(time + 3, s3);
                    cnt++;
                }
            }
            assertEquals(12, cnt);
        }
    }

    /**
     * test seq max level num = -1
     */
    @Test
    public void testCompactionSeqFileNumInEachLevelError1() throws SQLException {
        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {
            statement.execute("CREATE DATABASE root.compactionTest");
            for (int i = 1; i <= 3; i++) {
                try {
                    statement.execute(
                            "CREATE TIMESERIES root.compactionTest.s"
                                    + i
                                    + " WITH DATATYPE=INT64,"
                                    + "ENCODING=PLAIN");
                } catch (SQLException e) {
                    // ignore
                }
            }

            for (int i = 4; i < 8; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }

            for (int i = 0; i < 4; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }

            for (int i = 8; i < 12; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }

            int cnt;
            try (ResultSet resultSet = statement.executeQuery("SELECT * FROM root.compactionTest")) {
                cnt = 0;
                while (resultSet.next()) {
                    long time = resultSet.getLong("Time");
                    long s1 = resultSet.getLong("root.compactionTest.s1");
                    long s2 = resultSet.getLong("root.compactionTest.s2");
                    long s3 = resultSet.getLong("root.compactionTest.s3");
                    assertEquals(time + 1, s1);
                    assertEquals(time + 2, s2);
                    assertEquals(time + 3, s3);
                    cnt++;
                }
            }
            assertEquals(12, cnt);
        }
    }

    /**
     * test compaction with unseq compaction
     */
    @Test
    public void testCompactionWithUnseqCompaction() throws SQLException {
        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {
            statement.execute("CREATE DATABASE root.compactionTest");
            for (int i = 1; i <= 3; i++) {
                try {
                    statement.execute(
                            "CREATE TIMESERIES root.compactionTest.s"
                                    + i
                                    + " WITH DATATYPE=INT64,"
                                    + "ENCODING=PLAIN");
                } catch (SQLException e) {
                    // ignore
                }
            }

            for (int i = 10000; i < 10001; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }

            for (int i = 0; i < 50; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }

            for (int i = 10001; i < 10005; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }

            int cnt;
            try (ResultSet resultSet = statement.executeQuery("SELECT * FROM root.compactionTest")) {
                cnt = 0;
                while (resultSet.next()) {
                    long time = resultSet.getLong("Time");
                    long s1 = resultSet.getLong("root.compactionTest.s1");
                    long s2 = resultSet.getLong("root.compactionTest.s2");
                    long s3 = resultSet.getLong("root.compactionTest.s3");
                    assertEquals(time + 1, s1);
                    assertEquals(time + 2, s2);
                    assertEquals(time + 3, s3);
                    cnt++;
                }
            }
            assertEquals(55, cnt);

            for (int i = 10010; i < 10055; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }

            try (ResultSet resultSet = statement.executeQuery("SELECT * FROM root.compactionTest")) {
                cnt = 0;
                while (resultSet.next()) {
                    long time = resultSet.getLong("Time");
                    long s1 = resultSet.getLong("root.compactionTest.s1");
                    long s2 = resultSet.getLong("root.compactionTest.s2");
                    long s3 = resultSet.getLong("root.compactionTest.s3");
                    assertEquals(time + 1, s1);
                    assertEquals(time + 2, s2);
                    assertEquals(time + 3, s3);
                    cnt++;
                }
            }
            assertEquals(100, cnt);
        }
    }

    /**
     * test compaction with deletion timeseries
     */
    @Test
    public void testCompactionWithDeletionTimeseries() throws SQLException {
        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {
            statement.execute("CREATE DATABASE root.compactionTest");
            for (int i = 1; i <= 3; i++) {
                try {
                    statement.execute(
                            "CREATE TIMESERIES root.compactionTest.s"
                                    + i
                                    + " WITH DATATYPE=INT64,"
                                    + "ENCODING=PLAIN");
                } catch (SQLException e) {
                    // ignore
                }
            }

            for (int i = 0; i < 1; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }
            statement.execute("DELETE timeseries root.compactionTest.s1");

            for (int i = 1; i < 2; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s2,s3) VALUES (%d," + "%d,%d)",
                                i, i + 2, i + 3));
                statement.execute("FLUSH");
            }

            int cnt;
            try (ResultSet resultSet = statement.executeQuery("SELECT * FROM root.compactionTest")) {
                cnt = 0;
                while (resultSet.next()) {
                    long time = resultSet.getLong("Time");
                    long s2 = resultSet.getLong("root.compactionTest.s2");
                    long s3 = resultSet.getLong("root.compactionTest.s3");
                    assertEquals(time + 2, s2);
                    assertEquals(time + 3, s3);
                    cnt++;
                }
            }
            assertEquals(2, cnt);
        }
    }

    /**
     * test compaction with deletion timeseries and create different type
     */
    @Test
    public void testCompactionWithDeletionTimeseriesAndCreateDifferentTypeTest() throws SQLException {
        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {
            statement.execute("CREATE DATABASE root.compactionTest");
            for (int i = 1; i <= 3; i++) {
                try {
                    statement.execute(
                            "CREATE TIMESERIES root.compactionTest.s"
                                    + i
                                    + " WITH DATATYPE=INT64,"
                                    + "ENCODING=PLAIN");
                } catch (SQLException e) {
                    // ignore
                }
            }

            for (int i = 10000; i < 10001; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }

            for (int i = 0; i < 50; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                if (i % 2 == 1) {
                    statement.execute("FLUSH");
                }
            }
            statement.execute("FLUSH");
            statement.execute("DELETE timeseries root.compactionTest.s1");
            statement.execute(
                    "create timeseries root.compactionTest.s1 with datatype=FLOAT, encoding=PLAIN");

            for (int i = 10001; i < 10005; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }

            int cnt;
            try (ResultSet resultSet = statement.executeQuery("SELECT * FROM root.compactionTest")) {
                cnt = 0;
                while (resultSet.next()) {
                    long time = resultSet.getLong("Time");
                    long s2 = resultSet.getLong("root.compactionTest.s2");
                    long s3 = resultSet.getLong("root.compactionTest.s3");
                    assertEquals(time + 2, s2);
                    assertEquals(time + 3, s3);
                    cnt++;
                }
            }
            assertEquals(55, cnt);

            for (int i = 10010; i < 10055; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }

            try (ResultSet resultSet = statement.executeQuery("SELECT * FROM root.compactionTest")) {
                cnt = 0;
                while (resultSet.next()) {
                    long time = resultSet.getLong("Time");
                    long s2 = resultSet.getLong("root.compactionTest.s2");
                    long s3 = resultSet.getLong("root.compactionTest.s3");
                    assertEquals(time + 2, s2);
                    assertEquals(time + 3, s3);
                    cnt++;
                }
            }
            assertEquals(100, cnt);
        }
    }

    @Test
    public void testSequenceInnerCompactionContinously() throws SQLException {
        int oriThreadNum = IoTDBDescriptor.getInstance().getConfig().getCompactionThreadCount();
        long oriTargetFileSize =
                IoTDBDescriptor.getInstance().getConfig().getTargetCompactionFileSize();
        IoTDBDescriptor.getInstance().getConfig().setCompactionThreadCount(2);
        IoTDBDescriptor.getInstance().getConfig().setTargetCompactionFileSize(600);
        int originCandidateNum =
                IoTDBDescriptor.getInstance().getConfig().getMaxInnerCompactionCandidateFileNum();
        IoTDBDescriptor.getInstance().getConfig().setMaxInnerCompactionCandidateFileNum(2);
        CompactionPriority compactionPriority =
                IoTDBDescriptor.getInstance().getConfig().getCompactionPriority();
        IoTDBDescriptor.getInstance().getConfig().setCompactionPriority(CompactionPriority.INNER_CROSS);
        long originCompactionNum = CompactionTaskManager.getInstance().getFinishedTaskNum();
        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {
            for (int i = 1; i <= 3; i++) {
                try {
                    statement.execute(
                            "CREATE TIMESERIES root.compactionTest.s"
                                    + i
                                    + " WITH DATATYPE=INT64,"
                                    + "ENCODING=PLAIN");
                } catch (SQLException e) {
                    // ignore
                }
            }
            for (int i = 10000; i < 10004; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }
            statement.execute("MERGE");
            int totalWaitingTime = 0;
            while (CompactionTaskManager.getInstance().getFinishedTaskNum() - originCompactionNum < 2) {
                try {
                    Thread.sleep(100);
                } catch (InterruptedException e) {

                }
                totalWaitingTime += 100;
                if (totalWaitingTime % 1000 == 0) {
                    LOGGER.warn("has wait for {} seconds", totalWaitingTime / 1000);
                }
                if (totalWaitingTime > 120_000) {
                    Assert.fail();
                    break;
                }
            }
            statement.execute("Merge");
            while (CompactionTaskManager.getInstance().getFinishedTaskNum() - originCompactionNum < 3) {
                try {
                    Thread.sleep(100);
                } catch (InterruptedException e) {

                }
                totalWaitingTime += 100;
                if (totalWaitingTime % 1000 == 0) {
                    LOGGER.warn("has wait for {} seconds", totalWaitingTime / 1000);
                }
                if (totalWaitingTime > 120_000) {
                    Assert.fail();
                    break;
                }
            }
            try (ResultSet resultSet = statement.executeQuery("SELECT * FROM root.compactionTest")) {
                while (resultSet.next()) {
                    long time = resultSet.getLong("Time");
                    long s1 = resultSet.getLong("root.compactionTest.s1");
                    long s2 = resultSet.getLong("root.compactionTest.s2");
                    long s3 = resultSet.getLong("root.compactionTest.s3");
                    assertEquals(time + 1, s1);
                    assertEquals(time + 2, s2);
                    assertEquals(time + 3, s3);
                }
            }

        } finally {
            IoTDBDescriptor.getInstance().getConfig().setCompactionThreadCount(oriThreadNum);
            IoTDBDescriptor.getInstance().getConfig().setTargetCompactionFileSize(oriTargetFileSize);
            IoTDBDescriptor.getInstance().getConfig().setCompactionPriority(compactionPriority);
            IoTDBDescriptor.getInstance()
                    .getConfig()
                    .setMaxInnerCompactionCandidateFileNum(originCandidateNum);
        }
    }

    @Test
    public void testSequenceInnerCompactionConcurrently() throws SQLException {
        long oriTargetFileSize =
                IoTDBDescriptor.getInstance().getConfig().getTargetCompactionFileSize();
        IoTDBDescriptor.getInstance().getConfig().setTargetCompactionFileSize(600);
        long originCompactionNum = CompactionTaskManager.getInstance().getFinishedTaskNum();
        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {
            for (int i = 1; i <= 3; i++) {
                try {
                    statement.execute(
                            "CREATE TIMESERIES root.compactionTest.s"
                                    + i
                                    + " WITH DATATYPE=INT64,"
                                    + "ENCODING=PLAIN");
                } catch (SQLException e) {
                    // ignore
                }
            }
            for (int i = 10000; i < 10020; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }
            long totalWaitingTime = 0;
            while (CompactionTaskManager.getInstance().getFinishedTaskNum() - originCompactionNum < 1) {
                try {
                    Thread.sleep(100);
                } catch (InterruptedException e) {

                }
                totalWaitingTime += 100;
                if (totalWaitingTime % 1000 == 0) {
                    LOGGER.warn("as waiting for {} seconds", totalWaitingTime / 1000);
                }
                if (totalWaitingTime > 120_000) {
                    Assert.fail();
                    break;
                }
            }
            try {
                Thread.sleep(5000);
            } catch (InterruptedException e) {
            }
            try (ResultSet resultSet = statement.executeQuery("SELECT * FROM root.compactionTest")) {
                while (resultSet.next()) {
                    long time = resultSet.getLong("Time");
                    long s1 = resultSet.getLong("root.compactionTest.s1");
                    long s2 = resultSet.getLong("root.compactionTest.s2");
                    long s3 = resultSet.getLong("root.compactionTest.s3");
                    assertEquals(time + 1, s1);
                    assertEquals(time + 2, s2);
                    assertEquals(time + 3, s3);
                }
            }

        } finally {
            IoTDBDescriptor.getInstance().getConfig().setTargetCompactionFileSize(oriTargetFileSize);
        }
    }

    @Test
    public void testUnsequenceInnerCompactionContinously() throws SQLException {
        int oriThreadNum = IoTDBDescriptor.getInstance().getConfig().getCompactionThreadCount();
        long oriTargetFileSize =
                IoTDBDescriptor.getInstance().getConfig().getTargetCompactionFileSize();
        IoTDBDescriptor.getInstance().getConfig().setCompactionThreadCount(2);
        IoTDBDescriptor.getInstance().getConfig().setTargetCompactionFileSize(600);
        long originFinishCount = CompactionTaskManager.getInstance().getFinishedTaskNum();
        CompactionPriority compactionPriority =
                IoTDBDescriptor.getInstance().getConfig().getCompactionPriority();
        IoTDBDescriptor.getInstance().getConfig().setCompactionPriority(CompactionPriority.INNER_CROSS);
        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {
            for (int i = 1; i <= 3; i++) {
                try {
                    statement.execute(
                            "CREATE TIMESERIES root.compactionTest.s"
                                    + i
                                    + " WITH DATATYPE=INT64,"
                                    + "ENCODING=PLAIN");
                } catch (SQLException e) {
                    // ignore
                }
            }
            statement.execute(
                    String.format(
                            "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                            20000, 20000 + 1, 20000 + 2, 20000 + 3));
            statement.execute("FLUSH");
            // create unsequence file
            for (int i = 10000; i < 10004; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }
            long totalWaitingTime = 0;
            statement.execute("MERGE");
            while (CompactionTaskManager.getInstance().getFinishedTaskNum() - originFinishCount < 1) {
                try {
                    Thread.sleep(100);
                } catch (InterruptedException e) {

                }
                totalWaitingTime += 100;
                if (totalWaitingTime % 1000 == 0) {
                    LOGGER.warn("Has waiting for {} seconds", totalWaitingTime / 1000);
                }
                if (totalWaitingTime > 120_000) {
                    Assert.fail();
                    break;
                }
            }
            try (ResultSet resultSet = statement.executeQuery("SELECT * FROM root.compactionTest")) {
                while (resultSet.next()) {
                    long time = resultSet.getLong("Time");
                    long s1 = resultSet.getLong("root.compactionTest.s1");
                    long s2 = resultSet.getLong("root.compactionTest.s2");
                    long s3 = resultSet.getLong("root.compactionTest.s3");
                    assertEquals(time + 1, s1);
                    assertEquals(time + 2, s2);
                    assertEquals(time + 3, s3);
                }
            }
        } finally {
            IoTDBDescriptor.getInstance().getConfig().setCompactionThreadCount(oriThreadNum);
            IoTDBDescriptor.getInstance().getConfig().setTargetCompactionFileSize(oriTargetFileSize);
            IoTDBDescriptor.getInstance()
                    .getConfig()
                    .setCompactionPriority(CompactionPriority.INNER_CROSS);
        }
    }

    @Test
    public void testUnsequenceInnerCompactionConcurrently() throws SQLException {
        long oriTargetFileSize =
                IoTDBDescriptor.getInstance().getConfig().getTargetCompactionFileSize();
        IoTDBDescriptor.getInstance().getConfig().setTargetCompactionFileSize(600);
        long originCompactionNum = CompactionTaskManager.getInstance().getFinishedTaskNum();
        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {
            for (int i = 1; i <= 3; i++) {
                try {
                    statement.execute(
                            "CREATE TIMESERIES root.compactionTest.s"
                                    + i
                                    + " WITH DATATYPE=INT64,"
                                    + "ENCODING=PLAIN");
                } catch (SQLException e) {
                    // ignore
                }
            }
            statement.execute(
                    String.format(
                            "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                            20000, 20001, 20002, 20003));
            statement.execute("FLUSH");
            // create unsequence file
            for (int i = 10000; i < 10004; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }
            int totalWaitingTime = 0;
            while (CompactionTaskManager.getInstance().getFinishedTaskNum() - originCompactionNum < 1) {
                try {
                    Thread.sleep(100);
                } catch (InterruptedException e) {

                }
                totalWaitingTime += 100;
                if (totalWaitingTime % 1000 == 0) {
                    LOGGER.warn("as waiting for {} seconds", totalWaitingTime / 1000);
                }
                if (totalWaitingTime > 120_000) {
                    Assert.fail();
                    break;
                }
            }
            try (ResultSet resultSet = statement.executeQuery("SELECT * FROM root.compactionTest")) {
                while (resultSet.next()) {
                    long time = resultSet.getLong("Time");
                    long s1 = resultSet.getLong("root.compactionTest.s1");
                    long s2 = resultSet.getLong("root.compactionTest.s2");
                    long s3 = resultSet.getLong("root.compactionTest.s3");
                    assertEquals(time + 1, s1);
                    assertEquals(time + 2, s2);
                    assertEquals(time + 3, s3);
                }
            }

        } finally {
            IoTDBDescriptor.getInstance().getConfig().setTargetCompactionFileSize(oriTargetFileSize);
        }
    }

    // Test concurrent compaction in sequence space and unsequence space
    @Test
    public void testSequenceAndUnsequenceInnerCompactionConcurrently() throws SQLException {
        long oriTargetFileSize =
                IoTDBDescriptor.getInstance().getConfig().getTargetCompactionFileSize();
        IoTDBDescriptor.getInstance().getConfig().setTargetCompactionFileSize(600);
        long originCompactionNum = CompactionTaskManager.getInstance().getFinishedTaskNum();
        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {
            for (int i = 1; i <= 3; i++) {
                try {
                    statement.execute(
                            "CREATE TIMESERIES root.compactionTest.s"
                                    + i
                                    + " WITH DATATYPE=INT64,"
                                    + "ENCODING=PLAIN");
                } catch (SQLException e) {
                    // ignore
                }
            }
            for (int i = 20000; i < 20004; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }
            statement.execute("FLUSH");
            // create unsequence file
            for (int i = 10000; i < 10004; i++) {
                statement.execute(
                        String.format(
                                "INSERT INTO root.compactionTest(timestamp,s1,s2,s3) VALUES (%d,%d," + "%d,%d)",
                                i, i + 1, i + 2, i + 3));
                statement.execute("FLUSH");
            }
            int totalWaitingTime = 0;
            while (CompactionTaskManager.getInstance().getFinishedTaskNum() - originCompactionNum < 2) {
                try {
                    Thread.sleep(100);
                } catch (InterruptedException e) {

                }
                totalWaitingTime += 100;
                if (totalWaitingTime % 1000 == 0) {
                    LOGGER.warn("as waiting for {} seconds", totalWaitingTime / 1000);
                }
                if (totalWaitingTime > 120_000) {
                    Assert.fail();
                    break;
                }
            }
            try (ResultSet resultSet = statement.executeQuery("SELECT * FROM root.compactionTest")) {
                while (resultSet.next()) {
                    long time = resultSet.getLong("Time");
                    long s1 = resultSet.getLong("root.compactionTest.s1");
                    long s2 = resultSet.getLong("root.compactionTest.s2");
                    long s3 = resultSet.getLong("root.compactionTest.s3");
                    assertEquals(time + 1, s1);
                    assertEquals(time + 2, s2);
                    assertEquals(time + 3, s3);
                }
            }

        } finally {
            IoTDBDescriptor.getInstance().getConfig().setTargetCompactionFileSize(oriTargetFileSize);
        }
    }
}
